000 00295nam a2200121 4500
003 OSt
008 220602b |||||||| |||| 00| 0 eng d
082 _a500
_bPOP
245 _aPopulation Education in Mathematics
260 _aBangkok :
_bUNESCO,
_c1984.
300 _a23p.;
_c25cm
942 _2ddc
_cLM
999 _c92923
_d92923